13139622 has 12 divisors (see below), whose sum is σ = 28469220. Its totient is φ = 4379868.

The previous prime is 13139617. The next prime is 13139627. The reversal of 13139622 is 22693131.

13139622 is a `hidden beast` number, since 1 + 3 + 1 + 39 + 622 = 666.

It is an interprime number because it is at equal distance from previous prime (13139617) and next prime (13139627).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13139627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364972 + ... + 365007.

It is an arithmetic number, because the mean of its divisors is an integer number (2372435).

Almost surely, 2^13139622 is an apocalyptic number.

13139622 is an abundant number, since it is smaller than the sum of its proper divisors (15329598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13139622 is a wasteful number, since it uses less digits than its factorization.

13139622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729987 (or 729984 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13139622 is about 3624.8616525324. The cubic root of 13139622 is about 235.9722628514.

The spelling of 13139622 in words is "thirteen million, one hundred thirty-nine thousand, six hundred twenty-two".